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-rw-r--r--absl/base/internal/raw_logging.cc3
-rw-r--r--absl/base/internal/sysinfo_test.cc6
-rw-r--r--absl/base/internal/unscaledcycleclock.h3
3 files changed, 7 insertions, 5 deletions
diff --git a/absl/base/internal/raw_logging.cc b/absl/base/internal/raw_logging.cc
index b5a05e8c53b7..878fe6c6c2cc 100644
--- a/absl/base/internal/raw_logging.cc
+++ b/absl/base/internal/raw_logging.cc
@@ -36,7 +36,8 @@
 // This preprocessor token is also defined in raw_io.cc.  If you need to copy
 // this, consider moving both to config.h instead.
 #if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \
-    defined(__Fuchsia__) || defined(__native_client__)
+    defined(__Fuchsia__) || defined(__native_client__) || \
+    defined(__EMSCRIPTEN__)
 #include <unistd.h>
 
 
diff --git a/absl/base/internal/sysinfo_test.cc b/absl/base/internal/sysinfo_test.cc
index 247f3d8863dc..82bbcc2b3bd3 100644
--- a/absl/base/internal/sysinfo_test.cc
+++ b/absl/base/internal/sysinfo_test.cc
@@ -37,12 +37,12 @@ TEST(SysinfoTest, NumCPUs) {
 }
 
 TEST(SysinfoTest, NominalCPUFrequency) {
-#if !(defined(__aarch64__) && defined(__linux__))
+#if !(defined(__aarch64__) && defined(__linux__)) && !defined(__EMSCRIPTEN__)
   EXPECT_GE(NominalCPUFrequency(), 1000.0)
       << "NominalCPUFrequency() did not return a reasonable value";
 #else
-  // TODO(absl-team): Aarch64 cannot read the CPU frequency from sysfs, so we
-  // get back 1.0. Fix once the value is available.
+  // Aarch64 cannot read the CPU frequency from sysfs, so we get back 1.0.
+  // Emscripten does not have a sysfs to read from at all.
   EXPECT_EQ(NominalCPUFrequency(), 1.0)
       << "CPU frequency detection was fixed! Please update unittest.";
 #endif
diff --git a/absl/base/internal/unscaledcycleclock.h b/absl/base/internal/unscaledcycleclock.h
index 58950cc2ff32..2d361e962841 100644
--- a/absl/base/internal/unscaledcycleclock.h
+++ b/absl/base/internal/unscaledcycleclock.h
@@ -59,7 +59,8 @@
 // CycleClock that runs at atleast 1 MHz. We've found some Android
 // ARM64 devices where this is not the case, so we disable it by
 // default on Android ARM64.
-#if defined(__native_client__) || TARGET_OS_IPHONE || \
+#if defined(__native_client__) ||                      \
+    (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) || \
     (defined(__ANDROID__) && defined(__aarch64__))
 #define ABSL_USE_UNSCALED_CYCLECLOCK_DEFAULT 0
 #else